Obstetrics什么意思

Outside Broadcast实况转播，户外转播 Obligationn. 义务, 责任 Old Boy毕业生 ocean bottom洋底 observation balloon观测气球 occult blood test大便隐血试验 Official Business公事 Optical Branch光频支 Original Budget原来预算 Olfactory Bulb嗅球 other budgetary其他预算 Ohne Binde (German: without a pad; tampon brand)Ohne Binde(德国:没有一个垫;棉球品牌) Out of Bounds (National Park Service or golf slang)出格的事情(国家公园服务或高尔夫术语) Over Burden (mining)过负荷(矿业) Outbye (mining)Outbye(矿业)